MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 950352c91affd434f21c97b82e49e2f55642eee65540646cca5b45384257f026. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments 1

SHA256 hash: 950352c91affd434f21c97b82e49e2f55642eee65540646cca5b45384257f026
SHA3-384 hash: 978b6d56ba14f5583c94e0ba49ecc248f08d5dc838fde4385ee94ea4f4e12a875e8e94809436fe2d32ed11a26fc1b261
SHA1 hash: 83bdd8fb1038d2509f26a5363fda7f98c1423f44
MD5 hash: e01f66167483f84199264cd2665e9742
humanhash: arizona-pluto-alabama-dakota
File name:e01f66167483f84199264cd2665e9742
Download: download sample
Signature Formbook
File size:197'125 bytes
First seen:2022-04-25 17:08:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZm7MQpBsCjz57zEro2sB+m4yzenBWNV3P:HNlIQpBdws+KzeBmB
TLSH T18C1412197565D8ABD8F386732D3744AA1FA7F92722B8C72F0340ABEBB8105459C1F319
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Remittance Form.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-25 09:11:39 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 615108 Sample: TRKO6eU4Je Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 36 www.windowcontractor.info 2->36 38 www.hostydom.tech 2->38 40 hostydom.tech 2->40 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 5 other signatures 2->62 12 TRKO6eU4Je.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\dlqdrehwua.exe, PE32 12->34 dropped 15 dlqdrehwua.exe 12->15         started        process6 signatures7 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 dlqdrehwua.exe 15->18         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 21 explorer.exe 18->21 injected process10 dnsIp11 42 shops.myshopify.com 23.227.38.74, 49751, 80 CLOUDFLARENETUS Canada 21->42 44 www.totalzerosband.com 21->44 46 9 other IPs or domains 21->46 64 System process connects to network (likely due to code injection or exploit) 21->64 25 WWAHost.exe 21->25         started        28 autoconv.exe 21->28         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 25->66 68 Maps a DLL or memory area into another process 25->68 70 Tries to detect virtualization through RDTSC time measurements 25->70 30 cmd.exe 1 25->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-25 17:09:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 42 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:itq4 loader rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
e57fd7b16bd75d3098c5a12e3be4bdc63a933deb6a7cbe6b802df908048bfd1d
MD5 hash:
a03dbd5d9c22698dc1cd404b9e5927ef
SHA1 hash:
70e5c1c2fba6c6bb293907a28732f9d9861825b9
SH256 hash:
e6d55785ef9daf80fa77f860c8c078d9ce50b3efd0eef76f0dd3663b470827b5
MD5 hash:
4b2775494d569387eee36828ef53de78
SHA1 hash:
1489091ad0182849b6c584a1ebebc7ff82ec8117
SH256 hash:
950352c91affd434f21c97b82e49e2f55642eee65540646cca5b45384257f026
MD5 hash:
e01f66167483f84199264cd2665e9742
SHA1 hash:
83bdd8fb1038d2509f26a5363fda7f98c1423f44
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pdb2
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 950352c91affd434f21c97b82e49e2f55642eee65540646cca5b45384257f026

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-25 17:08:10 UTC

url : hxxp://198.12.81.20/file4/FILE4.exe